:root{
  --bg:#0a1628;
  --bg-2:#0e1f3a;
  --bg-3:#142a4e;
  --surface:#152540;
  --surface-2:#1a2f55;
  --border:rgba(56,189,248,0.16);
  --border-strong:rgba(56,189,248,0.34);
  --cyan:#38bdf8;
  --cyan-deep:#0284c7;
  --navy-light:#94c2e8;
  --slate:#64748b;
  --text:#e8f1ff;
  --text-dim:#a4b8d3;
  --text-mute:#6e8aaa;
  --green:#22c55e;
  --orange:#fb923c;
  --red:#f87171;
  --code-bg:#0a1628;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'IBM Plex Sans',-apple-system,system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15.5px;
  line-height:1.66;
  -webkit-font-smoothing:antialiased;
  letter-spacing:-0.002em;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;
  background:radial-gradient(ellipse 1100px 600px at 50% -10%,rgba(56,189,248,0.10),transparent 60%);
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--navy-light)}
code,.mono{font-family:'IBM Plex Mono',monospace;font-size:.9em}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.col{max-width:880px;margin:0 auto;padding:0 24px}

/* Header */
header.head{position:sticky;top:0;z-index:30;background:rgba(10,22,40,0.94);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.head-in{display:flex;justify-content:space-between;align-items:center;height:64px;gap:16px}
.logo{display:flex;gap:10px;align-items:center;font-weight:600;font-size:1.06rem;letter-spacing:-.01em}
.logo-box{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,#38bdf8,#0284c7);display:flex;align-items:center;justify-content:center;color:#0a1628;font-weight:700;font-size:.9rem;letter-spacing:-.04em;font-family:'IBM Plex Mono',monospace}
.logo span{color:var(--text)}
.logo span small{color:var(--text-mute);font-size:.78rem;font-weight:400;display:block;line-height:1;margin-top:2px}

nav.nav{display:flex;gap:2px}
nav.nav a{color:var(--text-dim);padding:8px 14px;font-size:.9rem;font-weight:500;border-radius:6px}
nav.nav a:hover{color:var(--text);background:rgba(56,189,248,0.06)}

.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;font-weight:600;font-size:.94rem;border-radius:8px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:all .2s;font-family:inherit;letter-spacing:-.005em}
.btn-cyan{background:linear-gradient(135deg,#38bdf8,#0284c7);color:#0a1628;font-weight:700}
.btn-cyan:hover{transform:translateY(-1px);color:#0a1628;box-shadow:0 6px 20px rgba(56,189,248,0.35)}
.btn-line{background:transparent;color:var(--cyan);border-color:var(--border-strong)}
.btn-line:hover{background:rgba(56,189,248,0.08)}
.btn-lg{padding:14px 28px;font-size:1rem}
.btn-sm{padding:8px 16px;font-size:.84rem}

/* Hero — minimal data style */
.hero{padding:80px 0 60px;border-bottom:1px solid var(--border)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:48px;align-items:center}
.hero-tag{display:inline-flex;gap:8px;align-items:center;font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--cyan);margin-bottom:18px;padding:5px 12px;background:rgba(56,189,248,0.08);border:1px solid var(--border);border-radius:4px}
.hero-tag::before{content:"●";color:var(--green);font-size:.7rem;animation:blink 1.5s infinite}
@keyframes blink{50%{opacity:.3}}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:600;line-height:1.1;letter-spacing:-.025em;margin-bottom:20px}
.hero h1 span.acc{font-family:'IBM Plex Mono',monospace;color:var(--cyan);font-weight:500}
.hero-desc{font-size:1.08rem;color:var(--text-dim);max-width:580px;line-height:1.6;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px}

.kpi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:10px;overflow:hidden}
.kpi{padding:18px 22px;background:var(--surface)}
.kpi-label{font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--text-mute);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}
.kpi-value{font-size:1.7rem;font-weight:600;color:var(--cyan);line-height:1;font-family:'IBM Plex Mono',monospace;letter-spacing:-.02em}
.kpi-trend{display:inline-block;font-size:.74rem;color:var(--green);margin-top:6px}
.kpi-trend.down{color:var(--red)}

.hero-vis{border-radius:12px;overflow:hidden;border:1px solid var(--border);background:var(--surface);max-width:520px;justify-self:end}
.hero-vis img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
.col img,.s img{max-width:680px;width:100%;height:auto;margin:0 auto;display:block}

/* Sections */
section.s{padding:64px 0;border-bottom:1px solid var(--border)}
.section-meta{font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--cyan);text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px;display:flex;gap:10px;align-items:center}
.section-meta::before{content:"//";font-weight:700;color:var(--text-mute)}
h2.h{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:600;letter-spacing:-.02em;line-height:1.15;margin-bottom:18px}
h2.h span{color:var(--cyan);font-family:'IBM Plex Mono',monospace;font-weight:500}
h3{font-size:1.18rem;font-weight:600;margin:28px 0 10px;letter-spacing:-.015em}
p{margin-bottom:16px;color:var(--text-dim);line-height:1.68;font-size:1rem}
p strong{color:var(--text);font-weight:600}
ul,ol{margin:0 0 20px 22px;color:var(--text-dim)}
li{margin-bottom:7px;line-height:1.6}

/* Data table */
.dtable{margin:24px 0;border:1px solid var(--border);border-radius:8px;overflow:hidden;background:var(--surface)}
.dtable table{width:100%;border-collapse:collapse;font-size:.94rem}
.dtable th{background:var(--bg-2);text-align:left;padding:12px 18px;font-weight:600;color:var(--cyan);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--border);font-family:'IBM Plex Mono',monospace}
.dtable td{padding:12px 18px;border-bottom:1px solid var(--border);color:var(--text-dim);font-family:'IBM Plex Mono',monospace;font-size:.92rem}
.dtable tr:last-child td{border-bottom:none}
.dtable td:first-child{color:var(--text);font-family:'IBM Plex Sans',sans-serif}
.dtable .nums{color:var(--cyan);font-weight:500}
.dtable .green{color:var(--green)}
.dtable .red{color:var(--red)}
.dtable .orange{color:var(--orange)}

/* Code-block style for formulas */
.formula{font-family:'IBM Plex Mono',monospace;font-size:.92rem;padding:18px 22px;background:var(--code-bg);border:1px solid var(--border);border-left:3px solid var(--cyan);border-radius:6px;margin:22px 0;color:var(--text);line-height:1.7;overflow-x:auto}
.formula .note{color:var(--text-mute);font-family:'IBM Plex Sans',sans-serif;font-size:.84rem;margin-top:8px;display:block}

/* Annotation block */
.annot{padding:18px 22px;background:rgba(56,189,248,0.04);border:1px solid var(--border);border-radius:8px;margin:22px 0;font-size:.94rem;color:var(--text-dim)}
.annot::before{content:"NOTE";display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--cyan);background:rgba(56,189,248,0.12);padding:2px 8px;border-radius:3px;margin-right:10px;font-weight:600;letter-spacing:.08em;vertical-align:middle}

/* Two-col data */
.dgrid{display:grid;grid-template-columns:1fr;gap:14px;margin:24px 0}
.dcard{padding:20px 22px;background:var(--surface);border:1px solid var(--border);border-radius:8px}
.dcard h4{font-size:1rem;font-weight:600;margin-bottom:8px;color:var(--text)}
.dcard h4 .badge{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:.7rem;color:var(--cyan);background:rgba(56,189,248,0.1);padding:2px 8px;border-radius:3px;margin-left:8px;letter-spacing:.08em;vertical-align:middle}
.dcard p{margin:0;font-size:.92rem;color:var(--text-dim);line-height:1.6}

/* Bar chart visual (CSS-only) */
.barchart{margin:24px 0;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:10px}
.barchart-title{font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--cyan);text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}
.bar{display:grid;grid-template-columns:90px 1fr 60px;gap:14px;align-items:center;margin-bottom:10px;font-size:.88rem}
.bar-label{color:var(--text-dim);font-family:'IBM Plex Mono',monospace}
.bar-track{height:10px;background:var(--bg-3);border-radius:3px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,#38bdf8,#0284c7);border-radius:3px;transition:width 1s}
.bar-pct{color:var(--cyan);font-family:'IBM Plex Mono',monospace;text-align:right;font-weight:500}

/* Citation block / author */
.cit{display:flex;gap:14px;padding:16px 20px;background:var(--surface);border:1px solid var(--border);border-radius:8px;margin:24px 0;align-items:center}
.cit-img{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#38bdf8,#0284c7);display:flex;align-items:center;justify-content:center;color:#0a1628;font-weight:700;font-family:'IBM Plex Mono',monospace;flex-shrink:0}
.cit-text{font-size:.92rem;flex:1}
.cit-name{display:block;font-weight:600;color:var(--text)}
.cit-meta{display:block;color:var(--text-mute);font-size:.82rem;margin-top:2px;font-family:'IBM Plex Mono',monospace}

/* CTA / final */
.final{margin:48px 0 0;padding:36px 32px;background:linear-gradient(135deg,var(--surface),var(--surface-2));border:1px solid var(--border-strong);border-radius:12px;text-align:left;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.final h3{font-size:1.35rem;margin-bottom:6px;color:var(--text)}
.final p{margin:0;color:var(--text-dim);font-size:.96rem}

/* Q&A */
.qa-block{margin:20px 0}
.qa-block h4{font-size:1rem;font-weight:600;color:var(--text);margin-bottom:6px;display:flex;gap:10px}
.qa-block h4::before{content:"Q.";font-family:'IBM Plex Mono',monospace;color:var(--cyan);font-weight:700}
.qa-block p{padding-left:28px;border-left:2px solid var(--border);margin-bottom:24px;color:var(--text-dim);font-size:.96rem}

/* Footer */
footer.foot{padding:48px 0 30px;border-top:1px solid var(--border);background:#070f1c}
.foot-c{display:grid;grid-template-columns:1fr;gap:24px;margin-bottom:30px}
.foot-c h5{font-size:.74rem;font-family:'IBM Plex Mono',monospace;text-transform:uppercase;letter-spacing:.08em;color:var(--cyan);margin-bottom:12px;font-weight:600}
.foot-c a{display:block;color:var(--text-dim);padding:4px 0;font-size:.92rem}
.foot-c a:hover{color:var(--text)}
.foot-c .meta{font-size:.88rem;color:var(--text-mute);line-height:1.6;margin-top:10px;max-width:380px}
.foot-bot{padding-top:24px;border-top:1px solid var(--border);font-size:.82rem;color:var(--text-mute);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:'IBM Plex Mono',monospace}

.sticky-mob{position:fixed;bottom:0;left:0;right:0;z-index:25;background:rgba(10,22,40,0.96);backdrop-filter:blur(20px);padding:10px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--border-strong)}
.sticky-mob-text{font-size:.86rem;color:var(--text);font-weight:500;font-family:'IBM Plex Mono',monospace}
.sticky-mob-text b{color:var(--cyan)}

@media (min-width:768px){
  .hero-grid{grid-template-columns:1.1fr 1fr}
  .kpi-grid{grid-template-columns:repeat(4,1fr)}
  .dgrid{grid-template-columns:repeat(2,1fr)}
  .foot-c{grid-template-columns:1.4fr 1fr 1fr}
  .sticky-mob{display:none}
  section.s{padding:88px 0}
}
@media (max-width:767px){
  nav.nav{display:none}
  body{font-size:14.8px;padding-bottom:60px}
  .hero{padding:50px 0 40px}
  section.s{padding:48px 0}
  .final{grid-template-columns:1fr;text-align:center}
}